Which from endocrine glands is responsible for a regulation of sleep?

hypothalamus
adrenal glands
thymus
pineal gland
The pineal gland is a small en­docrine gland in the ver­te­brate brain. It produces mela­ton­in, a sero­tonin derived hormone, which affects the mod­u­la­tion of sleep pat­tern­s. Mela­tonin is sold over-the-­counter as a sleep aid in the U.S. and Canada.

Answers distribution

hypothalamus
adrenal glands
thymus
pineal gland
answers
flagSpain
27%
0%
0%
72%
11
flagRepublic of Ireland
27%
4%
2%
65%
43
flagGermany
16%
8%
8%
64%
125
flagSweden
18%
9%
9%
63%
11
flagPoland
21%
7%
7%
62%
9239
flagthe Netherlands
25%
0%
11%
62%
27
flagFrance
17%
17%
2%
61%
34
flagSwitzerland
40%
0%
0%
60%
10
flagthe United Kingdom
25%
8%
9%
57%
235
flagNorway
25%
0%
18%
56%
16
flagCanada
34%
8%
5%
51%
35
flagIndia
25%
14%
7%
50%
148
flagPakistan
36%
15%
0%
47%
19
flagUnknown
34%
7%
9%
46%
88
flagthe Philippines
30%
11%
15%
42%
26
flagthe United Arab Emirates
41%
8%
0%
41%
12
flagMalaysia
26%
20%
6%
40%
15
flagthe United States
32%
11%
15%
38%
402
flagAustralia
30%
10%
30%
30%
10

Gender

men49%
women54%
hypothalamus
27%
26%
adrenal glands
11%
9%
thymus
11%
9%
pineal gland
49%
54%

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Which from endocrine glands is responsible for a regulation of sleep?
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Details

Author: Paweł Kołodziejczyk
Illustration: Tambako The Jaguar
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